Home / 238,430-515,578

Finding the Third Proportional to 238,430 and 515,578

Calculator

Solution

The third proportional to 238,430 and 515,578 is: 1,114,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,430 : 515,578 = 515,578 : x
  2. Step 2: Convert to fraction form
    238,430/515,578 = 515,578/x
  3. Step 3: Cross multiply
    238,430x = 515,578 × 515,578
  4. Step 4: Simplify right side
    238,430x = 265,820,674,084
  5. Step 5: Solve for x
    x = 265,820,674,084/238,430
  6. Step 6: Final answer
    x = 1,114,879.31

Related Problems

Find third proportional to 119,215 and 257,789
Half scale
Find third proportional to 476,860 and 1,031,156
Double scale
Find third proportional to 238,432 and 515,582
Similar ratio
Find third proportional to 357,645 and 773,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.